Kawagoe_Accessory Kawagoe Design . Material 925 sterling silver . Single ring ring width 2mm / thickness 1mm . Please note the ring size after ordering (according to the International Wai Wai) . This ring can only be #3 at the minimum and #12 at the maximum. Please confirm the size before ordering (according to the international ring) Handmade, the error of ± 0.5mm for the normal range . Ring around the measurement method: 1. Take out your usual ring, measure the ring's inner ring diameter, and select your size from the international ring 2. Using a tape measure around the finger (take the value of tension) 3. Purchase the international ring to measure it yourself or visit a nearby silver building or jewelry counter to ask the staff to help use the international ring survey . If you are still unsure, you can also directly inform us of the size by private message. We will then help you to find the proper ring. https://farm5.staticflickr.com/4617/39723728041_0825eccdae_z.jpg . If your ring around the range is not in our size, need to order another, the price is extra. . The items are handcrafted and may not be perfectly symmetrical, nor will they have exactly the same style, but each one is unique. . Our products are custom-made orders, production began after the payment, the average waiting time of 7-10 days, excluding holidays and delivery time. . If you have urgent need, please leave a message to us when payment is made and we will try our best to work for you.